| Acronym | Meaning |
| AATCC | American Association Of Textile Chemists And Colorists |
| MIP | Microwave Induced Plasma |
| PMP2 | (spin) Projected Moeller-Plesset Second-order (perturbation Theory) |
| MOFAT | Multi Phase Flow And Transport |
| TEQ | Toxicity Equivalent |
| LBW | Laser-beam Welding |
| GPF | Gaussian Polarization Function |
| MC CI | Multiconfigurational Configuration Interaction |
| FISCI | Final Ionic State Configuration Interaction |
| MCPF | Modified Coupled-pair Functional (method In CI Calcns.) |